157420419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 231436800

約数和(自身を除く): 74016381

約数列:

[1, 3, 13, 39, 71, 139, 213, 409, 417, 923, 1227, 1807, 2769, 5317, 5421, 9869, 15951, 29039, 29607, 56851, 87117, 128297, 170553, 377507, 384891, 739063, 1132521, 2217189, 4036421, 12109263, 52473473, 157420419]

約数ペア:

[(1, 157420419), (3, 52473473), (13, 12109263), (39, 4036421), (71, 2217189), (139, 1132521), (213, 739063), (409, 384891), (417, 377507), (923, 170553), (1227, 128297), (1807, 87117), (2769, 56851), (5317, 29607), (5421, 29039), (9869, 15951)]